The nature and distribution of the late Precambrian fossil Chuaria, in Sidarenko, A.V., ed., Correlation of the Precambrian

Ford, T.D., and Breed, W.J., 1977, The nature and distribution of the late Precambrian fossil Chuaria, in Sidarenko, A.V., ed., Correlation of the Precambrian: I.G.C.P. Symposium, Moscow, 1975, p. 279-286.